American Century Companies’s argenx ARGX Stock Holding History

American Century Companies’s Portfolio ARGX Stock Details ARGX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$161M	Sell	173,193 -507	-0.3%	-$418K	0.07%	293
2026 Q1	$127M	Sell	173,700 -47,348	-21%	-$37.1M	0.07%	332
2025 Q4	$186M	Sell	221,048 -8,722	-4%	-$7.47M	0.09%	194
2025 Q3	$169M	Buy	229,770 +23,864	+12%	+$15.7M	0.09%	218
2025 Q2	$114M	Buy	205,906 +57,054	+38%	+$33.1M	0.06%	328
2025 Q1	$88.1M	Sell	148,852 -6,524	-4%	-$4.12M	0.05%	374
2024 Q4	$95.6M	Sell	155,376 -76,533	-33%	-$44.8M	0.05%	353
2024 Q3	$126M	Sell	231,909 -22,454	-9%	-$11.3M	0.07%	275
2024 Q2	$109M	Sell	254,363 -1,463	-0.6%	-$560K	0.07%	291
2024 Q1	$101M	Buy	255,826 +100,145	+64%	+$38.8M	0.06%	329
2023 Q4	$59.2M	Sell	155,681 -23,161	-13%	-$10.8M	0.04%	445
2023 Q3	$87.9M	Sell	178,842 -6,303	-3%	-$3.08M	0.07%	315
2023 Q2	$72.2M	Sell	185,145 -21,189	-10%	-$8.33M	0.05%	346
2023 Q1	$73.6M	Sell	206,334 -6,647	-3%	-$2.46M	0.06%	340
2022 Q4	$80.7M	Sell	212,981 -4,622	-2%	-$1.73M	0.07%	313
2022 Q3	$76.8M	Sell	217,603 -8,307	-4%	-$3.08M	0.07%	302
2022 Q2	$85.6M	Sell	225,910 -3,689	-2%	-$1.19M	0.07%	295
2022 Q1	$72.4M	Buy	229,599 +2,092	+0.9%	+$608K	0.05%	362
2021 Q4	$79.7M	Buy	227,507 +2,851	+1%	+$867K	0.05%	385
2021 Q3	$67.8M	Sell	224,656 -185,455	-45%	-$58.8M	0.05%	384
2021 Q2	$123M	Buy	410,111 +2,958	+0.7%	+$841K	0.08%	258
2021 Q1	$112M	Buy	407,153 +1,350	+0.3%	+$427K	0.08%	275
2020 Q4	$119M	Sell	405,803 -18,140	-4%	-$4.99M	0.09%	244
2020 Q3	$111M	Sell	423,943 -33,442	-7%	-$8.04M	0.1%	236
2020 Q2	$103M	Buy	457,385 +94,074	+26%	+$16.7M	0.1%	233
2020 Q1	$47.9M	Buy	363,311 +8,556	+2%	+$1.25M	0.06%	309
2019 Q4	$56.9M	Buy	354,755 +214,593	+153%	+$29M	0.05%	331
2019 Q3	$16M	Buy	140,162 +66,168	+89%	+$8.95M	0.02%	528
2019 Q2	$10.5M	Buy	+73,994	New	+$9.39M	0.01%	621

Other funds holding ARGX

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Jupiter Topco New York $245B AUM

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return

ACA

Avoro Capital Advisors New York $11.1B AUM 207.82% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

American Century Companies's ARGX Position: Q2 2026 in Review

American Century Companies reduced its argenx (ARGX) stake by 0.29% in Q2 2026, selling an estimated $418K and leaving 173,193 shares worth $161M. The position accounts for 0.07% of the portfolio, ranked #293.

American Century Companies first reported a position in ARGX in Q2 2019 and has held it in 29 quarters since. The position peaked at $186M in Q4 2025. 506 funds tracked by Wall St. Rank hold ARGX as of Q2 2026.

American Century Companies held 173,193 shares of argenx worth $161M as of Q2 2026.
American Century Companies sold 507 argenx shares in Q2 2026, an estimated $418K.
argenx made up 0.07% of American Century Companies's portfolio in Q2 2026, its #293 holding.
American Century Companies first reported a position in argenx in Q2 2019 and has held it in 29 quarters since.
American Century Companies's argenx position peaked at $186M in Q4 2025.
506 funds tracked by Wall St. Rank held argenx as of Q2 2026.

Based on American Century Companies's 13F filing for Q2 2026, filed 12 Aug 2026.